Knit Christmas Tree Dog Sweater. A great sweater for those chilly days! This hand-knit sweater features a Christmas tree with a bone at the top with ribbed trim. Soft and cozy! Machine washable. Our model Rosie a 25 lb. Mutt is wearing a size L. Sizing:XS: Length: 7-9 in.S: Length: 9-12 in.M: Length: 12-15 in.L: Length: 15-18 in.XL: Length: 18-22 in.